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copied!<p>Your error code has nothing to do directly with your AppleScript. Error –10810 is a Launch Services error code signaling a generic, i.e. unknown error. It seems to get thrown quite often when OS X’ process table runs over. There is a quite thorough <a href="http://www.thexlab.com/faqs/error-10810.html" rel="nofollow">background post on the issue at the X Labs</a>, complete with step by step instructions to diagnose (and possibly remedy) the issue.</p> <p>On an OT note, I notice you use GUI scripting to toggle Hot Corners on or off. This is unnecessary: Lion’s <em>System Events</em> can script these settings via its <em>Expose Preferences Suite</em>, i.e.</p> <pre><code>property hotCornerSettings : {} to disableHotCorners() set hotCorners to {} tell application "System Events" tell expose preferences set end of hotCorners to a reference to bottom left screen corner set end of hotCorners to a reference to top left screen corner set end of hotCorners to a reference to top right screen corner set end of hotCorners to a reference to bottom right screen corner repeat with hotCorner in hotCorners set hotCornerProps to properties of hotCorner set end of hotCornerSettings to {hotCorner, {activity:activity of hotCornerProps, modifiers:modifiers of hotCornerProps}} set properties of hotCorner to {activity:none, modifiers:{}} end repeat end tell end tell end disableHotCorners to restoreHotCorners() tell application "System Events" tell expose preferences repeat with settings in hotCornerSettings set properties of item 1 of settings to item 2 of settings end repeat end tell end tell end restoreHotCorners </code></pre> <p>… which spares you the can of worms that is GUI scripting.</p>

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